This universal clinometer shows roll angle and pitch for off-camber and inclines\declines. Also has a compass. Theseclinometers are perfect for measuring both inclines (positive slopes), and declines (negative slopes) while you're on the trails so you can off-road with confidence. This black universal illuminated clinometer offers an accurate reading for roll angle and pitch for off-camber and inclines\declines. Also has a compass so you never get lost.